Universal Music Theory Library - v0.12.0
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    Interface PivotChord

    A chord that functions diatonically in two different keys, used as the pivot point in a modulation.

    interface PivotChord {
        chord: Chord;
        functionInA: { degree: number; function: "D" | "T" | "S" };
        functionInB: { degree: number; function: "D" | "T" | "S" };
    }
    Index

    Properties

    chord functionInA functionInB

    Properties

    chord: Chord

    The chord, spelled as in key A.

    functionInA: { degree: number; function: "D" | "T" | "S" }

    Its role in key A.

    Type Declaration

    • degree: number

      Scale degree of the root, 1-7.

    • function: "D" | "T" | "S"

      Tonic, subdominant or dominant function.

    functionInB: { degree: number; function: "D" | "T" | "S" }

    Its role in key B.

    Type Declaration

    • degree: number

      Scale degree of the root, 1-7.

    • function: "D" | "T" | "S"

      Tonic, subdominant or dominant function.

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